/**
 * Documentation Search - Frontend Styles
 * 
 * Single source of truth for all search component styles.
 * Uses 'wds-' prefix namespace to avoid all conflicts.
 * 
 * @package WebtronDocs
 * @version 2.0.0
 * 
 * Z-INDEX LAYERS:
 * - Overlay: 9990
 * - Search container (when active): 9995
 * - Dropdown: 9999
 */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Search field */
    --wds-field-bg: rgba(255, 255, 255, 0.08);
    --wds-field-bg-hover: rgba(255, 255, 255, 0.12);
    --wds-field-bg-focus: rgba(255, 255, 255, 0.15);
    --wds-field-border: rgba(255, 255, 255, 0.15);
    --wds-field-border-focus: rgba(255, 255, 255, 0.3);
    --wds-field-radius: 12px;
    --wds-field-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --wds-field-shadow-focus: 0 4px 16px rgba(0, 0, 0, 0.2);
    
    /* Text colors */
    --wds-text-primary: #ffffff;
    --wds-text-secondary: rgba(255, 255, 255, 0.7);
    --wds-text-muted: rgba(255, 255, 255, 0.5);
    --wds-placeholder: rgba(255, 255, 255, 0.5);
    
    /* Icon color */
    --wds-icon-color: rgba(255, 255, 255, 0.6);
    --wds-icon-color-focus: rgba(255, 255, 255, 0.9);
    
    /* Dropdown */
    --wds-dropdown-bg: rgba(22, 22, 26, 0.98);
    --wds-dropdown-border: rgba(255, 255, 255, 0.1);
    --wds-dropdown-radius: 16px;
    --wds-dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Results */
    --wds-result-bg-hover: rgba(255, 255, 255, 0.06);
    --wds-result-border: rgba(255, 255, 255, 0.06);
    
    /* Spinner */
    --wds-spinner-color: rgba(255, 255, 255, 0.6);
    
    /* Overlay */
    --wds-overlay-bg: rgba(0, 0, 0, 0.6);
}


/* ============================================
   SEARCH CONTAINER
   ============================================ */
.wds-search {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    z-index: 1;
}

.wds-search.wds-search--active {
    position: relative;
    z-index: 9995;
    /* Ensure this creates a new stacking context above the overlay */
}

/* Size variants */
.wds-search--large {
    max-width: 680px;
}

.wds-search--small {
    max-width: 400px;
}


/* ============================================
   SEARCH FIELD
   ============================================ */
.wds-search__field {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--wds-field-bg);
    border: 1px solid var(--wds-field-border);
    border-radius: var(--wds-field-radius);
    box-shadow: var(--wds-field-shadow);
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.wds-search__field:hover {
    background: var(--wds-field-bg-hover);
}

.wds-search.wds-search--active .wds-search__field {
    background: var(--wds-field-bg-focus);
    border-color: var(--wds-field-border-focus);
    box-shadow: var(--wds-field-shadow-focus);
}

/* Large variant */
.wds-search--large .wds-search__field {
    padding: 18px 22px;
    --wds-field-radius: 16px;
}

/* Small variant */
.wds-search--small .wds-search__field {
    padding: 10px 14px;
    --wds-field-radius: 10px;
}


/* ============================================
   SEARCH ICON
   ============================================ */
.wds-search__icon {
    flex-shrink: 0;
    color: var(--wds-icon-color);
    transition: color 0.2s ease;
}

.wds-search.wds-search--active .wds-search__icon {
    color: var(--wds-icon-color-focus);
}


/* ============================================
   SEARCH INPUT
   ============================================ */
.wds-search .wds-search__input,
.wds-search input[type="search"].wds-search__input {
    flex: 1;
    min-width: 0;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    outline: none;
    box-shadow: none;
    color: var(--wds-text-primary);
    font-family: inherit;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.4;
    width: auto;
}

.wds-search .wds-search__input:focus,
.wds-search input[type="search"].wds-search__input:focus {
    border: none;
    outline: none;
    box-shadow: none;
}

.wds-search .wds-search__input::placeholder {
    color: var(--wds-placeholder);
}

.wds-search__input::-webkit-search-cancel-button,
.wds-search__input::-webkit-search-decoration {
    -webkit-appearance: none;
    appearance: none;
}

/* Large variant */
.wds-search--large .wds-search__input {
    font-size: 17px;
}

/* Small variant */
.wds-search--small .wds-search__input {
    font-size: 14px;
}


/* ============================================
   KEYBOARD HINT
   ============================================ */
.wds-search__kbd {
    display: flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.15s ease;
}

.wds-search.wds-search--active .wds-search__kbd {
    opacity: 0;
    visibility: hidden;
    position: absolute;
}

.wds-search__kbd kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    color: var(--wds-text-muted);
    font-family: inherit;
    font-size: 12px;
    font-weight: 500;
}


/* ============================================
   CLEAR BUTTON
   ============================================ */
.wds-search__clear {
    display: none;
    align-items: center;
    justify-content: center;
    padding: 4px;
    margin: -4px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--wds-text-muted);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.wds-search.wds-search--has-value .wds-search__clear {
    display: flex;
}

.wds-search__clear:hover {
    color: var(--wds-text-primary);
    background: rgba(255, 255, 255, 0.1);
}


/* ============================================
   DROPDOWN
   ============================================ */
.wds-search__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    max-height: 400px;
    overflow-y: auto;
    background: var(--wds-dropdown-bg);
    border: 1px solid var(--wds-dropdown-border);
    border-radius: var(--wds-dropdown-radius);
    box-shadow: var(--wds-dropdown-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 9999;
}

.wds-search.wds-search--dropdown-open .wds-search__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Custom scrollbar */
.wds-search__dropdown::-webkit-scrollbar {
    width: 8px;
}

.wds-search__dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.wds-search__dropdown::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}


/* ============================================
   LOADING STATE
   ============================================ */
.wds-search__loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    color: var(--wds-text-secondary);
    font-size: 14px;
}

.wds-search.wds-search--loading .wds-search__loading {
    display: flex;
}

.wds-search.wds-search--loading .wds-search__results {
    display: none;
}

.wds-search__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--wds-spinner-color);
    border-radius: 50%;
    animation: wds-spin 0.8s linear infinite;
}

@keyframes wds-spin {
    to { transform: rotate(360deg); }
}


/* ============================================
   RESULTS
   ============================================ */
.wds-search__results {
    padding: 8px;
}

/* Result item */
.wds-result {
    display: block;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--wds-text-primary);
    text-decoration: none;
    transition: background 0.15s ease;
}

.wds-result:hover,
.wds-result.wds-result--focused {
    background: var(--wds-result-bg-hover);
}

.wds-result + .wds-result {
    border-top: 1px solid var(--wds-result-border);
}

/* Result title */
.wds-result__title {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
}

/* Result excerpt */
.wds-result__excerpt {
    display: block;
    color: var(--wds-text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.wds-result__excerpt mark {
    background: rgba(255, 215, 0, 0.3);
    color: inherit;
    border-radius: 2px;
    padding: 0 2px;
}

/* Result category */
.wds-result__category {
    display: inline-block;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    color: var(--wds-text-muted);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Result meta wrapper */
.wds-result__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
    justify-content: center;
}

/* Tag badges - inherits theme primary color */
.wds-result__tag {
    display: inline-block;
    padding: 2px 6px;
    background: color-mix(in srgb, var(--wp--preset--color--primary, #2372ce) 15%, transparent);
    border-radius: 3px;
    color: var(--wp--preset--color--primary, #2372ce);
    font-size: 10px;
    font-weight: 500;
}


/* ============================================
   EMPTY / NO RESULTS
   ============================================ */
.wds-search__empty {
    padding: 24px 20px;
    text-align: center;
    color: var(--wds-text-secondary);
    font-size: 14px;
}


/* ============================================
   MOBILE STYLES
   ============================================ */
@media (max-width: 768px) {
    .wds-search,
    .wds-search--large,
    .wds-search--small {
        max-width: 100%;
    }
    
    .wds-search__field {
        padding: 12px 14px;
    }
    
    .wds-search__kbd {
        display: none;
    }
    
    .wds-search__dropdown {
        max-height: 60vh;
    }
}